Bott, S., Shen, H., Bott, S., & Richmond, M. (1998). Site-selective PMe3 addition to the donor-acceptor complex Ru2(CO)6[(Z)Ph2PCHCHPPh2]. X-ray diffraction structure of Ru2(CO)5(PMe3)[(Z)Ph2PCHCHPPh2]. Inorganica Chimica Acta, 267(2), pp. 223-228. doi:10.1016/S0020-1693(97)05616-8

Bott, Simon, HF Shen, SG Bott, and MG Richmond. "Site-selective PMe3 Addition to the Donor-acceptor Complex Ru2(CO)6[(Z)Ph2PCHCHPPh2]. X-ray Diffraction Structure of Ru2(CO)5(PMe3)[(Z)Ph2PCHCHPPh2]." Inorganica Chimica Acta 267, no. 2 (1998): 223-228.

Bott, Simon, HF Shen, SG Bott, and MG Richmond. "Site-selective PMe3 Addition to the Donor-acceptor Complex Ru2(CO)6[(Z)Ph2PCHCHPPh2]. X-ray Diffraction Structure of Ru2(CO)5(PMe3)[(Z)Ph2PCHCHPPh2]." Inorganica Chimica Acta 267.2 (1998): 223-228.